Drill chuck



FIG. 1 is a front isometric view of a drill chuck in accordance with the present invention;

FIG. 2 is a front elevation view of the drill chuck shown in FIG. 1;

FIG. 3 is a rear elevation view of the drill chuck shown in FIG. 1;

FIG. 4 is a left side view of the drill chuck shown in FIG. 1, the right side view being a mirror image thereof;

FIG. 5 is a top plan view of the drill chuck shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the drill chuck shown in FIG. 1.

It is to be understood that the broken lines shown in the figures illustrate structure and features which form no part of the claimed design. 

The ornamental design for a drill chuck, as shown and described. 